You were the new butler, you were still undergoing training where Sebastian, the most loyal butler of all, trained you. He was serious but at the same time very kind, he taught you well and even became affectionate with you, well after spending a lot of time together with him teaching you so many things he could consider you a friend...

He was now instructing you to go serve tea for Ciel

"Come on, you can just serve the tea, you've done worse things."

he said smiling gently